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Sat, 06 Jun 2026 02:23:24 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Subject: Re: [PATCH 0/6] arm64: dts: qcom: sc8280xp: set GPI DMA channels according to DSDT From: Pengyu Luo To: Icenowy Zheng Cc: Pengyu Luo , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: References: <20260602081451.3808833-1-zhengxingda@iscas.ac.cn> <178040480680.1778078.1165164069560552075.b4-review@b4> Date: Sat, 06 Jun 2026 17:22:10 +0800 Message-Id: <178073773007.397244.9871455646149843167.b4-reply@b4> X-Mailer: b4 0.15.2 On 2026-06-02 21:21:27+08:00, Icenowy Zheng wrote: > 在 2026-06-02二的 20:53 +0800，Pengyu Luo写道： > > > On Tue, 02 Jun 2026 16:14:45 +0800, Icenowy Zheng > > wrote: > > > > I don't focus on the upstream for a while, was this problem still > > here > > recently? Could you attach the base commit, so I can reproduce it. > > I tested on v7.0.10 (with some extra patches, but not related to > sc8280xp). > > It seems that raid456 module will lead to the hang because improper > usage of GPI DMA, and without it loaded it seems to be working fine. > > Could you check whether you have any problems with CONFIG_MD_RAID456=y > set? > The magnetic keyboard (USB HID) can't be connected somehow, others are fine, such as the spi touchscreen (not upstream yet), which utilizes DMA definitely. My config is here https://pastebin.com/SdjuyJYk Which device are you testing? Please attach more information if possible. > Thanks, > Icenowy